SLX - 11-Speed - HYPERGLIDE - MTB Cassette Sprocket Perfect for 1x and 2x MTB drivetrains, SHIMANO&';s M7000-11cassette offers Rider Tuned gear steps for maximum cadence control across the varied terrain of mountain bikin. FEATURES - High-efficiency drivetrain for aggressive trail riding - Smooth and stable shifting Wider range and smooth gear steps for 1x11 system Lightweight spider construction PRODUCT SPECIFICATIONS - MODEL NO CS-M7000-11 - SERIES SLX M7000 Series - Average weight 450 (11-40T) 476 (11-42T) 482 (11-46T) - Remarks ** Aluminum gear - Combination 11-13-15-17-19-21-24-27-31-35-40**T (bs) | 11-13-15-17-19-21-24-28-32-37-42**T (bt) | 11-13-15-17-19-21-24-28-32-37**-46**T (bu) - Combination name (Group name) 11-40T (bs) 11-42T (bt) 11-46T (bu) - Type HG - Compatible chain LINKGLIDE, HG 11-speed - Rear speeds 11 - Aluminum gear_QTY (pcs) 1 (11-40T) 1 (11-42T) 2 (11-46T) - Aluminum spider arm_QTY (pcs) 1 - HG spline (Others) - Steel gear_QTY (pcs) 10 (11-40T) 10 (11-42T) 9 (11-46T)